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Second Flatiron
Routes Sorted
L to R R to L Alpha
Compound, The 
Direct SE Arete T 
Dodge Block T 
Dodge Block Variation (Tunnel Route) T 
East Overhang T 
Free for All T 
Freeway T 
Freezeway T 
Gutter, The 
North Crack T 
South East Arete/Second T 
South Sneak T 
Southeast Overhang T 
West Face [2nd Flatiron] T 
Yarbles, The 
Unsorted Routes:

Dodge Block Variation (Tunnel Route) 

YDS: 5.6 French: 4c Ewbanks: 14 UIAA: V ZA: 12 British: S 4b

Type:  Trad, 3 pitches, 600'
Consensus:  YDS: 5.6 French: 4c Ewbanks: 14 UIAA: V ZA: 12 British: S 4b [details]
Page Views: 2,932
Submitted By: Monomaniac on Apr 15, 2011

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Right below the tunnel.

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This novelty variation makes the otherwise forgetable Dodge Block route worth repeating with a short bit of cool tunneling beneath a mini arch. The arch is visible from Freeway and from pitch two of Dodge Block (also pictured on page 46 of the Fixed Pin guidebook).

Follow the Dodge Block route for two 60m pitches to the tree even with the foot of the Pullman Car. Rather than bailing out right towards Freeway, continue straight up to the apex of the groove. Pass a pair of fixed pins, then stem up the 8'-high wall with good jugs and pockets to a tenuous move at the lip (5.6) to gain the easy slab above. Cruise the slab with minimal pro to the obvious arch. Tunnel under the arch (good gear in the tunnel) which is more difficult than you might expect. Climb over an easy step on the top end of the arch, and cruise 4th class terrain to reach the First Flatiron Trail.

This is easily done in three pitches with a 60m rope.


Climbs the central gully on the east face of the Second Flatiron. To approach, follow the 2nd/3rd Flatiron Access Loop Trail to the foot of the Second Flatiron. Depart the trail and hike up a steep gully, heading SE along the base of the east face to a tree-filled gully that splits the east face. Head up the gully, make a few 4th class moves passing a huge boulder to the south, then continue hiking until the gully terminates in slabs (this is the top of the Second Flatironette).


Gear to 2". Two fixed pins just below the crux, but you will want some thin crack gear at the lip if you're near your limit. This is one of the better-protected Flatirons slabs, but expect some runouts on easy terrain.

Photos of Dodge Block Variation (Tunnel Route) Slideshow Add Photo
Photo of the crux wall. It does take gear. I think...
BETA PHOTO: Photo of the crux wall. It does take gear. I think...

Comments on Dodge Block Variation (Tunnel Route) Add Comment
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By Fiona Dunne
From: Boulder, CO
Sep 29, 2015

It's more fun to climb the Second Flatironette (5.0) instead of the gully to start this route. It's basically part of the 2nd Flatiron, not really a distinctly separate rock. That's what's recommended on the standard Dodge Block page:
"From the lowpoint of the the Second Flatiron (where the trail touches the base), head up through the trees to the south for a couple hundred feet. If the huge roof of the South Block is above you, you've gone just a little too far. Start on a rib/slab just below and to the right of the huge roof. This rib will have a 10 foot step visible about a ropelength up. Climb the south edge of the rib up to the step. Climb through the steep step via the easiest looking path. Soon you will be on a small summit."
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